/* 容器 */
.shape_transform {
    height: 100%;
    transition: 1s;
    position: relative;
    width: 100%;
    background: #1f1f1f;
    perspective: 800px;
    overflow: hidden;
}

/* 中间变换的列表 */
.ul {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 120px;
    height: 160px;
    margin-top: -80px;
    margin-left: -60px;
    transform-style: preserve-3d;
    list-style-type: none;
}
.li {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 127, 127, 0.5);
    border: 1px solid rgba(127, 255, 255, 0.25);
    box-shadow: 0 0 12px rgba(0, 255, 255, 0.5);
    text-align: center;
    transition: 3s cubic-bezier(0.94, 0.02, 0.49, 0.98);
    font-size: 14px;
    font-weight: bold;
    text-shadow: 0 0 5px rgba(0, 255, 255, 0.5);
    user-select: none;
}
.title {
    margin-top: 10px;
    font-size: 50px;
    color: rgba(255, 255, 255, 0.7);
}
.info {
    margin-top: 10px;
    color: rgba(127, 255, 255, 0.75);
}

/* 底部切换按钮 */
.btn_list {
    position: absolute;
    left: 20px;
    bottom: 20px;
    height: 32px;
    .btn {
        float: left;
        margin: 0 5px;
        height: 30px;
        line-height: 30px;
        border: 1px solid rgba(127, 255, 255, 1);
        color: rgba(127, 255, 255, 1);
        padding: 0 10px;
        font-size: 12px;
        font-weight: bold;
        border-radius: 3px;
        cursor: pointer;
        &:hover {
            background: rgba(0, 127, 127, 0.8);
        }
    }
}

